[ARM] 5231/1: Do not save the frame pointer in the csum_partial_copy_* functions

Since the other assembly functions do not seem to save the frame
pointer onto the stack, this patch changes the csum_partial_copy_*
functions to behave in the same way.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/lib/csumpartialcopy.S

@@ -18,13 +18,11 @@
  */
 
 		.macro	save_regs
-		mov	ip, sp
-		stmfd	sp!, {r1, r4 - r8, fp, ip, lr, pc}
-		sub	fp, ip, #4
+		stmfd	sp!, {r1, r4 - r8, lr}
 		.endm
 
 		.macro	load_regs
-		ldmfd	sp, {r1, r4 - r8, fp, sp, pc}
+		ldmfd	sp!, {r1, r4 - r8, pc}
 		.endm
 
 		.macro	load1b, reg1

arch/arm/lib/csumpartialcopyuser.S

@@ -18,13 +18,11 @@
 		.text
 
 		.macro	save_regs
-		mov	ip, sp
-		stmfd	sp!, {r1 - r2, r4 - r8, fp, ip, lr, pc}
-		sub	fp, ip, #4
+		stmfd	sp!, {r1, r2, r4 - r8, lr}
 		.endm
 
 		.macro	load_regs
-		ldmfd	sp, {r1, r2, r4-r8, fp, sp, pc}
+		ldmfd	sp!, {r1, r2, r4 - r8, pc}
 		.endm
 
 		.macro	load1b,	reg1